jandj.net

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jandj.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-24 02:02:23 UTC · ↺ Refresh

MX Hostnames

  • jandj-net.mail.protection.outlook.com

MX Priorities

  • jandj-net.mail.protection.outlook.com: 10

A / AAAA Records

  • 199.180.140.12 (no PTR)
  • 199.180.140.11 (no PTR)

Mail Server IPs

  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.carrierzone.com postmaster.carrierzone.com 2023022109 86400 86400 3600000 86400
Primary NS (mname)
ns1.carrierzone.com
Admin Email (rname)
postmaster@carrierzone.com
Serial
2023022109
Refresh
86400s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns3.carrierzone.com
ns1.carrierzone.com
ns2.carrierzone.com
ns4.carrierzone.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spfc25.carrierzone.com include:spf.protection.outlook.com include:verticalresponse.com IP4:50.251.64.173 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 a mx include:spfc25.carrierzone.com include:spf.protection.outlook.com include:verticalresponse.com IP4:50.251.64.173 ~all
  • facebook-domain-verification=qx0ndnruxzl635c1txpym1blft4vsw
  • MS=ms24922316
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for jandj.net

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits